Grayson is a city in Gwinnett County, Georgia, United States. The 2020 estimated population of Grayson, GA is 4740 people. The population was 2,666 at the 2010 census, up from 765 in 2000.

Grayson High School is located in Loganville, Georgia and has an enrollment of over 3,100 students. The school pulls students from many areas of southeastern Gwinnett County, mainly Grayson, Loganville, and Lawrenceville.